Cementos Bío-Bío has cut PM emissions at its Talcahuano works by more than 600tpa.
The improvement follows the installation of a bag filter, which has been in operations since last year and represents an investment of US$5m.
Siam City Cement plans Hon Chong expansion
Siam City Cement PLC (SCCC) is considering an expansion of its Hon Chong cement plant in Vie...